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WorksheetsOptics
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Compared to the object in front the lens, its image is.....
a)
inverted and smaller
b)
inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
2.
What type of image is formed when rays of light actually intersect?
a)
real
b)
virtual
c)
projected
d)
curved
3.
An image that you can see , but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
4.
A real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
5.
Which one is a convex lens?
a)
A
b)
B
6.
What type of image is formed in a plane mirror?
a)
Real
b)
Virtual
c)
Enlarged
d)
Small
7.
If an image formed by a convex lens is inverted, it is most likely what type of image?
a)
Real
b)
Virtual
c)
None of the above
8.
As you move an object further away from a convex lens, its image would become which of the following?
a)
Larger and virtual
b)
Larger, only
c)
Smaller, only
d)
Smaller and virtual
9.
Which of the following does not refract light?
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
10.
What kind of image will you get if you put an object right at F, the focal point of this lens?
a)
Virtual, larger
b)
Real, smaller
c)
Real, larger
d)
No image
11.
The process of light bouncing off a surface
a)
refraction
b)
reflection
c)
diffraction
d)
diffusion
12.
Individuals that are farsighted need to have prescription lenses that are _________.
a)
convex
b)
concave
c)
plane
d)
flat
13.
Individuals that are nearsighted need to have prescription lenses that are ___________.
a)
convex
b)
concave
c)
plane
d)
flat
14.
Concave lenses, like the ones found in the peepholes of a door, always produce images that are .....
a)
Virtual, upright, smaller
b)
Real, inverted, larger
c)
Real, inverted, smaller
d)
Virtual, upright, larger
15.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
16.
This image is...
a)
Inverted and smaller
b)
Inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
17.
A real image having a size of 10 cm is formed by a concave mirror. The size of the object is 5 cm.The magnification of the object is
a)
-5
b)
5
c)
2
d)
-2
18.
An object is placed 10 cm from a convex mirror. Its image is formed 5 cm behind the mirror.The focal length of the given convex mirror is
a)
-5 cm
b)
5 cm
c)
10 cm
d)
-10cm
19.
Which figure represents the path light takes through a converging lens?
a)
b)
c)
d)
20.
Which lens represents the path light takes through a diverging lens?
a)
b)
c)
d)
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